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Diethylcarbamazine Side Effects

The most commonly reported side effects of diethylcarbamazine include vomiting, dizziness, and product use in unapproved indication, based on 135 FDA adverse event reports from 2004 to 2025. 9.6% of reports found the drug to be ineffective.

Diethylcarbamazine side effects

Percentages show how often each reaction appears relative to total reports for diethylcarbamazine.

1
Vomiting20.7%28
2
Dizziness16.3%22
3
Product Use In Unapproved Indication14.8%20
4
Off Label Use13.3%18
5
Pyrexia12.6%17
6
Dehydration11.1%15
7
Fatigue11.1%15
8
Pain9.6%13
9
Drug Ineffective9.6%13
10
Weight Increased8.9%12
11
Arthralgia8.9%12
12
Rash8.9%12
13
Hypersensitivity8.9%12
14
Helicobacter Infection8.9%12
15
Peripheral Swelling8.9%12

These are voluntary reports and do not establish that diethylcarbamazine caused these reactions.

Report severity

86.7%Serious117 reports
43.7%Hospitalizations59 reports
31.9%Fatal43 reports

Seriousness is determined by the reporter, not by OpenClaim.

Diethylcarbamazine drug interactions

Other drugs that appear in adverse event reports alongside diethylcarbamazine. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Albendazole63.7%86
2
Ivermectin22.2%30
3
Prednisone9.6%13
4
Alendronate-sodium8.9%12
5
Cetirizine-hydrochloride8.9%12
6
Abatacept8.9%12
7
Desoximetasone8.1%11
8
Diclofenac8.1%11
9
Acetaminophen8.1%11
10
Tocilizumab8.1%11
11
Leflunomide8.1%11
12
Chlorhexidine-gluconate8.1%11
13
Certolizumab-pegol8.1%11
14
Etanercept8.1%11
15
Folic-acid8.1%11

Taken alongside

1
Albendazole12.6%17
2
Acetaminophen11.9%16
3
Eszopiclone10.4%14
4
Pantoprazole-sodium10.4%14
5
Ibuprofen8.9%12
6
Sulfasalazine7.4%10
7
Desogestrel5.2%7
8
Ethinyl-estradiol5.2%7
9
Dihydrocodeine-bitartrate5.2%7
10
Cetirizine-hydrochloride4.4%6
11
Omeprazole3.7%5
12
Prednisone3.7%5
13
Lorazepam3.7%5
14
Ergocalciferol3.7%5
15
Lisinopril3.7%5

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports diethylcarbamazine side effects

48.1% of diethylcarbamazine adverse event reports involve female patients and 43.7% involve male patients. The largest age group is adult at 68%. These figures reflect who reports side effects, not underlying risk.

Sex

Female48.1%
Male43.7%
Unknown8.1%

Age group

< 20.0%
2–1113.5%
12–179.9%
18–6468.5%
65+8.1%

What is diethylcarbamazine used for

Conditions and purposes for which patients were taking diethylcarbamazine when the adverse event was reported.

Acute Myelomonocytic LeukaemiaComplex Partial SeizuresEosinophiliaFilariasisFilariasis LymphaticFilariasisFilariasis LymphaticInfection ParasiticInfectionProduct Used For Unknown IndicationProphylaxisPlasma Cell Myeloma RefractoryProduct Used For Unknown Indication

Diethylcarbamazine brand names and reporting trend

Diethylcarbamazine is sold under the brand name Hetrazan.

Brand names

Hetrazan143

Quarterly reports (20042025)

200520202025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking diethylcarbamazine with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.